spacevim/bundle/dein.vim/autoload/unite/sources/dein_log.vim

"=============================================================================
" FILE: dein/log.vim
" AUTHOR:  Shougo Matsushita <Shougo.Matsu@gmail.com>
" License: MIT license
"=============================================================================

function! unite#sources#dein_log#define() abort
  return s:source
endfunction

let s:source = {
      \ 'name' : 'dein/log',
      \ 'description' : 'print previous dein install logs',
      \ 'syntax' : 'uniteSource__deinLog',
      \ 'hooks' : {},
      \ }

function! s:source.hooks.on_syntax(args, context) abort
  syntax match uniteSource__deinLog_Message /.*/
        \ contained containedin=uniteSource__deinLog
  highlight default link uniteSource__deinLog_Message Comment
  syntax match uniteSource__deinLog_Progress /(.\{-}):\s*.*/
        \ contained containedin=uniteSource__deinLog
  highlight default link uniteSource__deinLog_Progress String
  syntax match uniteSource__deinLog_Source /|.\{-}|/
        \ contained containedin=uniteSource__deinLog_Progress
  highlight default link uniteSource__deinLog_Source Type
  syntax match uniteSource__deinLog_URI /-> diff URI/
        \ contained containedin=uniteSource__deinLog
  highlight default link uniteSource__deinLog_URI Underlined
endfunction

function! s:source.gather_candidates(args, context) abort
  let a:context.source__is_bang =
        \ (get(a:args, 0, '') ==# '!')
  let a:context.source__log = []
  return []
endfunction
function! s:source.async_gather_candidates(args, context) abort
  if empty(dein#install#_get_context())
    let a:context.is_async = 0
  endif
  let log = a:context.source__is_bang ?
        \   dein#install#_get_updates_log()
        \ : dein#install#_get_log()
  let candidates = map(copy(log[len(a:context.source__log):]), { _, val -> {
        \ 'word' : (val =~# '^\s*\h\w*://' ? ' -> diff URI' : val),
        \ 'kind' : (val =~# '^\s*\h\w*://' ? 'uri' : 'word'),
        \ 'action__uri' : substitute(val, '^\s\+', '', ''),
        \ } })
  let a:context.source__log = copy(log)
  return candidates
endfunction